package adv3;

public class WrapTest {

	public static void main(String[] args) {
		Integer i = null;
		// int j = null;
		i = 100;// 装箱
		Integer k = new Integer("100");
		int f = k;// 拆箱
		System.out.println(Integer.MAX_VALUE);
		System.out.println(Integer.MIN_VALUE);
		int k2 = Integer.MIN_VALUE;
		int k3 = -k2;
		System.out.println("k2=" + k2);
		System.out.println("k3=" + k3);
	}

}
